Line up the decimal points and multiply the rest like you would normally do it but drop down the decimal at the end
1) a.30
3) complementary: 12 and 78
supplementary: 102 and 78
1,2,3,4 are the domain. The x column is always the domain.
7 1\5=7x5+1=36\5
36\5 x 100=720%
Answer: 238$
Step-by-step explanation: 7 x 17 = 119 mutiply this x 2.00 = 238
